Buggy code:
public class Zip extends MatchingTask { protected File zipFile ; private File baseDir ; private boolean doCompress = true ; private boolean doUpdate = false ; private boolean doFilesonly = false ; protected String archiveType = "zip" ; private static final long EMPTY_CRC = new CRC32 ( ) . getValue ( ) ; protected String emptyBehavior = "skip" ; private Vector filesets = new Vector ( ) ; protected Hashtable addedDirs = new Hashtable ( ) ; private Vector addedFiles = new Vector ( ) ; private boolean addingNewFiles ; private String encoding ; public void setZipfile ( File zipFile ) { } public void setFile ( File file ) { log ( "DEPRECATED<seq2seq4repair_space>-<seq2seq4repair_space>The<seq2seq4repair_space>file<seq2seq4repair_space>attribute<seq2seq4repair_space>has<seq2seq4repair_space>been<seq2seq4repair_space>renamed<seq2seq4repair_space>destfile." , MSG_ERR ) ; log ( "This<seq2seq4repair_space>attribute<seq2seq4repair_space>will<seq2seq4repair_space>be<seq2seq4repair_space>unsupported<seq2seq4repair_space>before<seq2seq4repair_space>Ant1.5<seq2seq4repair_space>is<seq2seq4repair_space>released." , MSG_ERR ) ; <START_BUG> log ( "Be<seq2seq4repair_space>aware<seq2seq4repair_space>that<seq2seq4repair_space>the<seq2seq4repair_space>effect<seq2seq4repair_space>of<seq2seq4repair_space>using<seq2seq4repair_space>the<seq2seq4repair_space>file<seq2seq4repair_space>attribute<seq2seq4repair_space>depends<seq2seq4repair_space>on" , MSG_ERR ) ; <END_BUG> log ( "the<seq2seq4repair_space>phase<seq2seq4repair_space>of<seq2seq4repair_space>the<seq2seq4repair_space>moon." , MSG_WARN ) ; int phase = DateUtils . getPhaseOfMoon ( Calendar . getInstance ( ) ) ; if ( phase == 4 ) { log ( "You<seq2seq4repair_space>are<seq2seq4repair_space>lucky!<seq2seq4repair_space>Full<seq2seq4repair_space>moon<seq2seq4repair_space>tonight." ) ; } else if ( phase == 0 ) { log ( "Be<seq2seq4repair_space>careful!<seq2seq4repair_space>New<seq2seq4repair_space>moon<seq2seq4repair_space>tonight." , MSG_WARN ) ; } setDestFile ( file ) ; } public void setDestFile ( File destFile ) { } public void setBasedir ( File baseDir ) { } public void setCompress ( boolean c ) { } public void setFilesonly ( boolean f ) { } public void setUpdate ( boolean c ) { } public boolean isInUpdateMode ( ) { } public void addFileset ( FileSet set ) { } public void addZipfileset ( ZipFileSet set ) { } public static class WhenEmpty extends EnumeratedAttribute { public String [ ] getValues ( ) { } } public void setWhenempty ( Zip . WhenEmpty we ) { } public void setEncoding ( String encoding ) { } public void execute ( ) throws BuildException { } protected boolean isAddingNewFiles ( ) { } protected void addFiles ( FileScanner scanner , ZipOutputStream zOut , String prefix , String fullpath ) throws IOException { } protected void addZipEntries ( ZipFileSet fs , DirectoryScanner ds , ZipOutputStream zOut , String prefix , String fullpath ) throws IOException { } protected void initZipOutputStream ( ZipOutputStream zOut ) throws IOException , BuildException { } protected void finalizeZipOutputStream ( ZipOutputStream zOut ) throws IOException , BuildException { } protected boolean createEmptyZip ( File zipFile ) { } protected boolean isUpToDate ( FileScanner [ ] scanners , File zipFile ) throws BuildException { } protected static File [ ] grabFiles ( FileScanner [ ] scanners ) { } protected static File [ ] grabFiles ( FileScanner [ ] scanners , String [ ] [ ] fileNames ) { } protected static String [ ] [ ] grabFileNames ( FileScanner [ ] scanners ) { } protected void zipDir ( File dir , ZipOutputStream zOut , String vPath ) throws IOException { } protected void zipFile ( InputStream in , ZipOutputStream zOut , String vPath , long lastModified ) throws IOException { } protected void zipFile ( File file , ZipOutputStream zOut , String vPath ) throws IOException { } protected void addParentDirs ( File baseDir , String entry , ZipOutputStream zOut , String prefix ) throws IOException { } protected void addFiles ( Vector filesets , ZipOutputStream zOut ) throws IOException { } protected void cleanUp ( ) { } }

Fix:
log ( "Be<seq2seq4repair_space>aware<seq2seq4repair_space>that<seq2seq4repair_space>the<seq2seq4repair_space>effect<seq2seq4repair_space>of<seq2seq4repair_space>using<seq2seq4repair_space>the<seq2seq4repair_space>file<seq2seq4repair_space>attribute<seq2seq4repair_space>depends<seq2seq4repair_space>on" , MSG_WARN ) ;